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Finding the Fourth Proportional to 5,583.47, 8,371.76 and 1,885.34

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Solution

The fourth proportional to 5,583.47, 8,371.76 and 1,885.34 is: 2,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.47 : 8,371.76 = 1,885.34 : x
  2. Step 2: Convert to fraction form
    5,583.47/8,371.76 = 1,885.34/x
  3. Step 3: Cross multiply
    5,583.47x = 8,371.76 × 1,885.34
  4. Step 4: Simplify right side
    5,583.47x = 15,783,625.50
  5. Step 5: Solve for x
    x = 15,783,625.50/5,583.47
  6. Step 6: Final answer
    x = 2,826.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.